How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/9100.0*Chance in playoffs100.0*Average seed
Jonathan 113.2 Andrew 131.5 -1.6
-0.8
Mark 87.2 Ryan 78.7 +0.7
Brandon 82.5 Sara 89.2 +0.4
Michael 88.3 Dan 109.9 +0.3
David 74.9 Josh 101.1 -0.1
Jake 119.2 Derek 108.6 +0.1
+0.1
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Derek vs JonathanOut+0.1
-0.8+0.8
Andrew vs Brandon+0.1-0.1
Dan vs David+0.1-0.1

What If

Chances based on how well the Jonathan finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
63-00.4%0414303316301,929,848
52-1Out000314363795,783,265
41-2Out00334635,783,760
30-3Out6941,929,855
Total:0.1%00245715273915,426,728
Games Above .500
Chance Will Make Playoffs